126788734480 has 20 divisors (see below), whose sum is σ = 294783807852. Its totient is φ = 50715493760.

The previous prime is 126788734463. The next prime is 126788734507. The reversal of 126788734480 is 84437887621.

It can be written as a sum of positive squares in 2 ways, for example, as 23524197376 + 103264537104 = 153376^2 + 321348^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792429511 + ... + 792429670.

Almost surely, 2^126788734480 is an apocalyptic number.

126788734480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126788734480 is an abundant number, since it is smaller than the sum of its proper divisors (167995073372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126788734480 is a wasteful number, since it uses less digits than its factorization.

126788734480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584859194 (or 1584859188 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 126788734480 in words is "one hundred twenty-six billion, seven hundred eighty-eight million, seven hundred thirty-four thousand, four hundred eighty".